00409    a2200109   4500020001800000100002300018245009900041260003600140942000700176952009700183999001900280  a9789356818606  aGKP editorial team  aSSC: junior engineers- mechanical engineering- 27 solved papers (2008-2024) & 10 practice sets  bGK publications pvt. ltd.c2025  cOO  00104070aULbULd2026-03-26e264g796.00l0p00098299r2026-03-26v995.00w2026-03-26yOO  c116224d116223